Corvid HB-R

HDBaseT Receiver for Desktop and Servers

Expand your application’s reach with HDBaseT and the Corvid HB-R. Using a single Cat 5e/6 cable as input, the Corvid HB-R receives up to 4K/60p video (8-bit 4:2:0) and 8-channel embedded audio.
It also delivers bidirectional VISCA/RS-232 control plus power up to 10W, and Corvid HB-R provides full-time looped HDMI 1.4b output of the signal received via the HDBaseT input.
These features also make the Corvid HB-R the perfect desktop and server companion to AJA’s RovoCam, the UltraHD HDBaseT camera.

$995 US MSRP*

* Pricing is for US only. International pricing will vary.

Features at a Glance

• 4-lane PCIe 2.0 
• Supports up to 4K/60p 8-bit 4:2:0 video
• 8-channel HDMI embedded audio I/O
• Supports 2-channel discrete mic audio when used with RovoCam 
• Bidirectional VISCA/RS-232 control over HDBaseT
• Up to 10W power over HDBaseT
• HDMI 1.4b full-time looped output
• Supports Linux V4L2 drivers
• Three year warranty


HDBaseT Compatibility

By conforming to the HDBaseT standard, AJA devices can be integrated with existing devices from other HDBaseT compliant manufacturers which you might already have in use. This compatibility ensures you don't have to buy additional hardware just to integrate AJA devices.

Powerful Platforms for Development Partners

AJA's Developer Program allows partner companies to incorporate AJA products into their systems. By utilizing existing, proven video I/O devices, Developer Partners leverage AJA's expertise to develop and support these technologies, saving money and getting their integrated products to market more quickly.

Developer Sign Up

Industry-Leading Support

AJA’s technical support is recognized as among the best in the industry and is available to all AJA customers. If you need assistance with any aspect of your Corvid installation, configuration, operation or encounter any technical issue,  AJA Support will work with you to get up and running.

Corvid products are covered by a generous three year warranty. Please see the individual Product’s Manual for additional specifics around warranty conditions for the product itself.

Tech Specs

Video Formats

  • (4K) 4096 x 2160p 23.98, 24, 25, 29.97, 30
  • (4K) 4096 x 2160p 50, 59.94, 60 (8-bit 4:2:0)
  • (UltraHD) 3840 x 2160p 23.98, 24, 25, 29.97, 30
  • (UltraHD) 3840 x 2160p 50, 59.94, 60 (8-bit 4:2:0)
  • (2K) 2048 x 1080p 23.98, 24, 25, 29.97, 30
  • (2K) 2048 x 1080p 50, 59.94, 60
  • (2K) 2048 x 1080PsF 23.98, 24, 25, 29.97, 30
  • (HD) 1080p 23.98, 24, 25, 29.97, 30
  • (HD) 1080p 50, 59.94, 60
  • (HD) 1080PsF 23.98, 24, 25, 29.97, 30
  • (HD) 1080i 50, 59.94, 60
  • (HD) 720p 50, 59.94, 60
  • (SD) 525i 59.94
  • (SD) 625i 50

Video Input Digital

  • HDMI v1.4b over HDBaseT
    • Video over HDBaseT
    • 24/30/36-bits/pixel, RGB or YUV
    • 300 MHz pixel clock maximum
    • 3.4 Gb TMDS data rate maximum per lane providing an aggregate 10.2 Gbps total bandwidth
    • UltraHD/2K/HD/SD
    • No support for HDCP encrypted video

Video Output Digital

  • HDMI v1.4b Output
  • Active looped output of HDMI received on HDBaseT input
  • No EDID interface
  • No support for HDCP encrypted video
  • Video out electronic copy of video negotiated at CORVID-HB-R HDMI receiver input

Audio Input Digital

  • Audio over HDBaseT
    • 8-Channels embedded audio 
    • 2-Channels discrete RovoCam microphone audio

Audio Output Digital

  • 8-Channel HDMI embedded 48 kHz 24-bit

Power Support

  •   Power over HDBaseT
    • Support for up to 10W output maximum via IEEE 802.3AF interface


  • Serial port over HDBaseT
    • 115200 Baud interface intended for VISCA camera control


  •   USB over HDBaseT
    • USB Host intended for camera firmware updates


  • 4-lane PCIe 2.0

Size (w x d x h)

  • Conforms to PCIe Card Electromechanical Specification Rev 1.0A Low Profile Add-in Card
  • Without bracket:  6.7” x 2.7” x 0.7” (170.18 x 68.58 x 17.78 mm), bracket is standard full height PCIe card size


  • 10-20V, 10W typical for card only, 16W typical when powering RovoCam, 18W max


  • Safe Operating Temperature: 0 to 40 C (32 to 104 F)
  • Safe Storage Temperature (Power OFF): -40 to 60 C (-40 to 140 F)
  • Operating Relative Humidity: 10-90% noncondensing
  • Operating Altitude: <3,000 meters (<10,000 feet)